1 /* 2 * copyright (c) 2000,2001 Fabrice Bellard 3 * H263+ support 4 * copyright (c) 2001 Juan J. Sierralta P. 5 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24 /** 25 * @file h263data.h 26 * H.263 tables. 27 */ 28 29 #ifndef FFMPEG_H263DATA_H 30 #define FFMPEG_H263DATA_H 31 32 #include <stdint.h> 33 #include "mpegvideo.h" 34 35 /* intra MCBPC, mb_type = (intra), then (intraq) */ 36 const uint8_t intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 }; 37 const uint8_t intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 }; 38 39 /* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */ 40 /* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */ 41 const uint8_t inter_MCBPC_code[28] = { 42 1, 3, 2, 5, 43 3, 4, 3, 3, 44 3, 7, 6, 5, 45 4, 4, 3, 2, 46 2, 5, 4, 5, 47 1, 0, 0, 0, /* Stuffing */ 48 2, 12, 14, 15, 49 }; 50 const uint8_t inter_MCBPC_bits[28] = { 51 1, 4, 4, 6, /* inter */ 52 5, 8, 8, 7, /* intra */ 53 3, 7, 7, 9, /* interQ */ 54 6, 9, 9, 9, /* intraQ */ 55 3, 7, 7, 8, /* inter4 */ 56 9, 0, 0, 0, /* Stuffing */ 57 11, 13, 13, 13,/* inter4Q*/ 58 }; 59 60 static const uint8_t h263_mbtype_b_tab[15][2] = { 61 {1, 1}, 62 {3, 3}, 63 {1, 5}, 64 {4, 4}, 65 {5, 4}, 66 {6, 6}, 67 {2, 4}, 68 {3, 4}, 69 {7, 6}, 70 {4, 6}, 71 {5, 6}, 72 {1, 6}, 73 {1,10}, 74 {1, 7}, 75 {1, 8}, 76 }; 77 78 static const int h263_mb_type_b_map[15]= { 79 MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 80 MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP, 81 MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT, 82 MB_TYPE_L0 | MB_TYPE_16x16, 83 MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_16x16, 84 MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16, 85 MB_TYPE_L1 | MB_TYPE_16x16, 86 MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_16x16, 87 MB_TYPE_L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16, 88 MB_TYPE_L0L1 | MB_TYPE_16x16, 89 MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_16x16, 90 MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16, 91 0, //stuffing 92 MB_TYPE_INTRA4x4 | MB_TYPE_CBP, 93 MB_TYPE_INTRA4x4 | MB_TYPE_CBP | MB_TYPE_QUANT, 94 }; 95 96 static const uint8_t cbpc_b_tab[4][2] = { 97 {0, 1}, 98 {2, 2}, 99 {7, 3}, 100 {6, 3}, 101 }; 102 103 const uint8_t cbpy_tab[16][2] = 104 { 105 {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4}, 106 {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2} 107 }; 108 109 const uint8_t mvtab[33][2] = 110 { 111 {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7}, 112 {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10}, 113 {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10}, 114 {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12}, 115 {2,12} 116 }; 117 118 /* third non intra table */ 119 const uint16_t inter_vlc[103][2] = { 120 { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 }, 121 { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 }, 122 { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 }, 123 { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 }, 124 { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 }, 125 { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 }, 126 { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 }, 127 { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 }, 128 { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 }, 129 { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 }, 130 { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 }, 131 { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 }, 132 { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 }, 133 { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 }, 134 { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 }, 135 { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 }, 136 { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 }, 137 { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 }, 138 { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 }, 139 { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 }, 140 { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 }, 141 { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 }, 142 { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 }, 143 { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 }, 144 { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 }, 145 { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 }, 146 }; 147 148 const int8_t inter_level[102] = { 149 1, 2, 3, 4, 5, 6, 7, 8, 150 9, 10, 11, 12, 1, 2, 3, 4, 151 5, 6, 1, 2, 3, 4, 1, 2, 152 3, 1, 2, 3, 1, 2, 3, 1, 153 2, 3, 1, 2, 1, 2, 1, 2, 154 1, 2, 1, 1, 1, 1, 1, 1, 155 1, 1, 1, 1, 1, 1, 1, 1, 156 1, 1, 1, 2, 3, 1, 2, 1, 157 1, 1, 1, 1, 1, 1, 1, 1, 158 1, 1, 1, 1, 1, 1, 1, 1, 159 1, 1, 1, 1, 1, 1, 1, 1, 160 1, 1, 1, 1, 1, 1, 1, 1, 161 1, 1, 1, 1, 1, 1, 162 }; 163 164 const int8_t inter_run[102] = { 165 0, 0, 0, 0, 0, 0, 0, 0, 166 0, 0, 0, 0, 1, 1, 1, 1, 167 1, 1, 2, 2, 2, 2, 3, 3, 168 3, 4, 4, 4, 5, 5, 5, 6, 169 6, 6, 7, 7, 8, 8, 9, 9, 170 10, 10, 11, 12, 13, 14, 15, 16, 171 17, 18, 19, 20, 21, 22, 23, 24, 172 25, 26, 0, 0, 0, 1, 1, 2, 173 3, 4, 5, 6, 7, 8, 9, 10, 174 11, 12, 13, 14, 15, 16, 17, 18, 175 19, 20, 21, 22, 23, 24, 25, 26, 176 27, 28, 29, 30, 31, 32, 33, 34, 177 35, 36, 37, 38, 39, 40, 178 }; 179 180 static RLTable rl_inter = { 181 102, 182 58, 183 inter_vlc, 184 inter_run, 185 inter_level, 186 }; 187 188 static const uint16_t intra_vlc_aic[103][2] = { 189 { 0x2, 2 }, { 0x6, 3 }, { 0xe, 4 }, { 0xc, 5 }, 190 { 0xd, 5 }, { 0x10, 6 }, { 0x11, 6 }, { 0x12, 6 }, 191 { 0x16, 7 }, { 0x1b, 8 }, { 0x20, 9 }, { 0x21, 9 }, 192 { 0x1a, 9 }, { 0x1b, 9 }, { 0x1c, 9 }, { 0x1d, 9 }, 193 { 0x1e, 9 }, { 0x1f, 9 }, { 0x23, 11 }, { 0x22, 11 }, 194 { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 }, 195 { 0x53, 12 }, { 0xf, 4 }, { 0x14, 6 }, { 0x14, 7 }, 196 { 0x1e, 8 }, { 0xf, 10 }, { 0x21, 11 }, { 0x50, 12 }, 197 { 0xb, 5 }, { 0x15, 7 }, { 0xe, 10 }, { 0x9, 10 }, 198 { 0x15, 6 }, { 0x1d, 8 }, { 0xd, 10 }, { 0x51, 12 }, 199 { 0x13, 6 }, { 0x23, 9 }, { 0x7, 11 }, { 0x17, 7 }, 200 { 0x22, 9 }, { 0x52, 12 }, { 0x1c, 8 }, { 0xc, 10 }, 201 { 0x1f, 8 }, { 0xb, 10 }, { 0x25, 9 }, { 0xa, 10 }, 202 { 0x24, 9 }, { 0x6, 11 }, { 0x21, 10 }, { 0x20, 10 }, 203 { 0x8, 10 }, { 0x20, 11 }, { 0x7, 4 }, { 0xc, 6 }, 204 { 0x10, 7 }, { 0x13, 8 }, { 0x11, 9 }, { 0x12, 9 }, 205 { 0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 }, 206 { 0xf, 6 }, { 0x13, 9 }, { 0x5, 10 }, { 0x25, 11 }, 207 { 0xe, 6 }, { 0x14, 9 }, { 0x24, 11 }, { 0xd, 6 }, 208 { 0x6, 10 }, { 0x5e, 12 }, { 0x11, 7 }, { 0x7, 10 }, 209 { 0x13, 7 }, { 0x5d, 12 }, { 0x12, 7 }, { 0x5c, 12 }, 210 { 0x14, 8 }, { 0x5b, 12 }, { 0x15, 8 }, { 0x1a, 8 }, 211 { 0x19, 8 }, { 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 }, 212 { 0x19, 9 }, { 0x15, 9 }, { 0x16, 9 }, { 0x18, 9 }, 213 { 0x17, 9 }, { 0x4, 11 }, { 0x5, 11 }, { 0x58, 12 }, 214 { 0x59, 12 }, { 0x5a, 12 }, { 0x3, 7 }, 215 }; 216 217 static const int8_t intra_run_aic[102] = { 218 0, 0, 0, 0, 0, 0, 0, 0, 219 0, 0, 0, 0, 0, 0, 0, 0, 220 0, 0, 0, 0, 0, 0, 0, 0, 221 0, 1, 1, 1, 1, 1, 1, 1, 222 2, 2, 2, 2, 3, 3, 3, 3, 223 4, 4, 4, 5, 5, 5, 6, 6, 224 7, 7, 8, 8, 9, 9, 10, 11, 225 12, 13, 0, 0, 0, 0, 0, 0, 226 0, 0, 0, 0, 1, 1, 1, 1, 227 2, 2, 2, 3, 3, 3, 4, 4, 228 5, 5, 6, 6, 7, 7, 8, 9, 229 10, 11, 12, 13, 14, 15, 16, 17, 230 18, 19, 20, 21, 22, 23, 231 }; 232 233 static const int8_t intra_level_aic[102] = { 234 1, 2, 3, 4, 5, 6, 7, 8, 235 9, 10, 11, 12, 13, 14, 15, 16, 236 17, 18, 19, 20, 21, 22, 23, 24, 237 25, 1, 2, 3, 4, 5, 6, 7, 238 1, 2, 3, 4, 1, 2, 3, 4, 239 1, 2, 3, 1, 2, 3, 1, 2, 240 1, 2, 1, 2, 1, 2, 1, 1, 241 1, 1, 1, 2, 3, 4, 5, 6, 242 7, 8, 9, 10, 1, 2, 3, 4, 243 1, 2, 3, 1, 2, 3, 1, 2, 244 1, 2, 1, 2, 1, 2, 1, 1, 245 1, 1, 1, 1, 1, 1, 1, 1, 246 1, 1, 1, 1, 1, 1, 247 }; 248 249 static RLTable rl_intra_aic = { 250 102, 251 58, 252 intra_vlc_aic, 253 intra_run_aic, 254 intra_level_aic, 255 }; 256 257 static const uint8_t wrong_run[102] = { 258 1, 2, 3, 5, 4, 10, 9, 8, 259 11, 15, 17, 16, 23, 22, 21, 20, 260 19, 18, 25, 24, 27, 26, 11, 7, 261 6, 1, 2, 13, 2, 2, 2, 2, 262 6, 12, 3, 9, 1, 3, 4, 3, 263 7, 4, 1, 1, 5, 5, 14, 6, 264 1, 7, 1, 8, 1, 1, 1, 1, 265 10, 1, 1, 5, 9, 17, 25, 24, 266 29, 33, 32, 41, 2, 23, 28, 31, 267 3, 22, 30, 4, 27, 40, 8, 26, 268 6, 39, 7, 38, 16, 37, 15, 10, 269 11, 12, 13, 14, 1, 21, 20, 18, 270 19, 2, 1, 34, 35, 36 271 }; 272 273 static const uint16_t h263_format[8][2] = { 274 { 0, 0 }, 275 { 128, 96 }, 276 { 176, 144 }, 277 { 352, 288 }, 278 { 704, 576 }, 279 { 1408, 1152 }, 280 }; 281 282 const uint8_t ff_aic_dc_scale_table[32]={ 283 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 284 0, 2, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62 285 }; 286 287 static const uint8_t modified_quant_tab[2][32]={ 288 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 289 { 290 0, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9,10,11,12,13,14,15,16,17,18,18,19,20,21,22,23,24,25,26,27,28 291 },{ 292 0, 2, 3, 4, 5, 6, 7, 8, 9,10,11,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,29,30,31,31,31,26 293 } 294 }; 295 296 const uint8_t ff_h263_chroma_qscale_table[32]={ 297 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 298 0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9,10,10,11,11,12,12,12,13,13,13,14,14,14,14,14,15,15,15,15,15 299 }; 300 301 const uint16_t ff_mba_max[6]={ 302 47, 98, 395,1583,6335,9215 303 }; 304 305 const uint8_t ff_mba_length[7]={ 306 6, 7, 9, 11, 13, 14, 14 307 }; 308 309 const uint8_t ff_h263_loop_filter_strength[32]={ 310 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 311 0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9,10,10,10,11,11,11,12,12,12 312 }; 313 314 #endif /* FFMPEG_H263DATA_H */ 315